Performance data refers to BB 1.1 version unless the car is for 1.0 versions only.

The LWT-ZR1 GT3 Mark II (usually referred to simply as GT3) is an edited car developed by Duplode and released through the forum in 2008. It is the evolution of the LWT-ZR1 GTC Mark I, also made by Duplode in 2007. Designed to be a counterpart to IMSA cars with more difficult handling, its characteristics lie between the Ferrari GTO and IMSA cars in terms of speed, acceleration and stability. Also, it is one of the few Stunts cars to employ a 6-speed transmission. The GT3 was re-released in March 2009 with bodywork and dashboard created through the means of stressed.